12220220010222 has 96 divisors (see below), whose sum is σ = 30483237417984. Its totient is φ = 3465690883200.

The previous prime is 12220220010211. The next prime is 12220220010223. The reversal of 12220220010222 is 22201002202221.

12220220010222 is a `hidden beast` number, since 1 + 2 + 220 + 220 + 0 + 1 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12220220010195 and 12220220010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220220010223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242868447 + ... + 242918757.

It is an arithmetic number, because the mean of its divisors is an integer number (317533723104).

Almost surely, 2^{12220220010222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220220010222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15241618708992).

12220220010222 is an abundant number, since it is smaller than the sum of its proper divisors (18263017407762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220220010222 is a wasteful number, since it uses less digits than its factorization.

12220220010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64534 (or 64531 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12220220010222 its reverse (22201002202221), we get a palindrome (34421222212443).

The spelling of 12220220010222 in words is "twelve trillion, two hundred twenty billion, two hundred twenty million, ten thousand, two hundred twenty-two".